Section 83 | Formal requirements as to assessments, penalty determinations etc

(1)An assessment, determination, notice or other document required to be used in assessing, charging, collecting and levying tax or determining a penalty under this Part must be in accordance with the forms prescribed from time to time by the Board and a document in the form so prescribed and supplied or approved by the Board is valid and effective.

(2)Any such assessment, determination, notice or other document purporting to be made under this Part is not ineffective—

(a)for want of form, or

(b)by reason of any mistake, defect or omission in it,

if it is substantially in conformity with this Part and its intended effect is reasonably ascertainable by the person to whom it is directed.

(3)The validity of an assessment or determination is not affected—

(a)by any mistake in it as to—

(i)the name of a person liable, or

(ii)the amount of the tax charged, or

(b)by reason of any variance between the notice of assessment or determination and the assessment or determination itself.